As classified in WFO snapshot
December 2022
Warning: older classification
form
Rhododendron yedoense f. poukhanense
(H.Lév.) Sugim. ex T.Yamaz.
This form name was first published in Revis. Gen. Rhododendron Japan, Taiwan, Korea & Sakhalin 44 (1996)
This form name has been reclassified since this snapshot. Its current preferred usage is a synonym .